Subtract 1/5 from 24/42
24/42 - 1/5 is 13/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
24/42 = 24 × 5/42 × 5 = 120/210 - Likewise, for the 2nd fraction, since 5 × 42 = 210,
1/5 = 1 × 42/5 × 42 = 42/210 - Subtract the two like fractions:
120/210 - 42/210 = 120 - 42/210 = 78/210 - After reducing the fraction, the answer is 13/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/42-1/5 24/42-2/5 24/84-1/5 24/42-1/10 72/42-1/5 24/42-3/5 24/42-1/15 24/42-1/25 24/42-7/5 24/42-1/35